document.addEventListener('DOMContentLoaded',function(){
    var reinput = document.getElementById('reinput')
    var password = document.getElementById('password')
    reinput.addEventListener('blur',function(){
        if(password.value !==reinput.value){
            alert('两次密码输入不一致 origin: '+password.value+',new: '+reinput.value+'')
        }        
    })
})